Papilio ambrax, the Ambrax butterfly, is a butterfly of the family Papilionidae. It is found in Queensland, Australia, as well as the Aru Islands, Papua (Indonesia), and Papua New Guinea. The wingspan is . The larvae feed on Citrus species, Clausena brevistyla, Limonia acidissima, Microcitrus garrawayae, Microcitrus inodora, Murraya koenigii, Zanthoxylum ailanthoides, Zanthoxylum brachyacanthum, Zanthoxylum nitidum, Zanthoxylum ovalifolium, and Morinda citrifolia. Subspecies Papilio ambrax ambrax (western Irian to Papua) Papilio ambrax dunali Montrouzier, 1856 (Woodlark Island) Papilio ambrax epirus Wallace, 1865 (Aru) Papilio ambrax epigius Miskin, 1876 (north-eastern coast of Queensland) Papilio ambrax artanus Rothschild, 1908 (Mefor, Geelvink Bay) Taxonomy Papilio ambrax is a member of the polytes species group. The clade members are: Papilio polytes Linnaeus, 1758 Papilio ambrax Boisduval, 1832 Papilio phestus Guérin-Méneville, 1830 External links Australian Faunal Directory Australian Insects Butterfly Corner Images from Naturhistorisches Museum Wien ambrax Butterflies described in 1832